<template>
  <div class="container menu" v-loading="loading">
    <div class="handle-box">
      <el-button type="primary" :icon="Plus" @click="add">新增</el-button>
    </div>

    <el-row>
      <el-table :data="items" :row-key="(row) => row.id" table-layout="auto" border style="width: 100%">
        <el-table-column prop="name" label="菜单名称">
          <template #default="scope">
            <span class="sort" :data-id="scope.row.id">
              <i class="iconfont icon-drag"></i>
              {{ scope.row.name }}
            </span>
          </template>
        </el-table-column>
        <el-table-column prop="icon" label="菜单图标">
          <template #default="scope">
            <span v-if="scope.row.icon.startsWith('icon')">
              <i class="iconfont" :class="scope.row.icon" style="font-size: 30px"></i>
            </span>
            <el-image class="menu-icon" :src="scope.row.icon" v-else />
          </template>
        </el-table-column>
        <el-table-column prop="url" label="菜单URL" />
        <el-table-column prop="enabled" label="启用状态">
          <template #default="scope">
            <el-switch v-model="scope.row['enabled']" @change="enable(scope.row)" />
          </template>
        </el-table-column>
        <el-table-column label="操作" width="180">
          <template #default="scope">
            <el-button size="small" type="primary" @click="edit(scope.row)">编辑</el-button>
            <el-popconfirm title="确定要删除当前记录吗?" @confirm="remove(scope.row)" :width="200">
              <template #reference>
                <el-button size="small" type="danger">删除</el-button>
              </template>
            </el-popconfirm>
          </template>
        </el-table-column>
      </el-table>
    </el-row>

    <el-dialog v-model="showDialog" :title="title" :close-on-click-modal="false">
      <el-form :model="item" label-width="120px" ref="formRef" :rules="rules">
        <el-form-item label="菜单名称：" prop="name">
          <el-input v-model="item.name" autocomplete="off" />
        </el-form-item>

        <el-form-item>
          <template #label>
            <div class="label-title">
              开放注册
              <el-tooltip effect="dark" content="可以填写 iconfont 图标名称也可以自己上传图片" raw-content placement="right">
                <el-icon>
                  <InfoFilled />
                </el-icon>
              </el-tooltip>
            </div>
          </template>
          <el-input v-model="item.icon" placeholder="菜单图标地址">
            <template #append>
              <el-upload :auto-upload="true" :show-file-list="false" :http-request="uploadImg">
                <el-icon class="uploader-icon">
                  <UploadFilled />
                </el-icon>
              </el-upload>
            </template>
          </el-input>
        </el-form-item>

        <el-form-item label="菜单URL：" prop="url">
          <el-input v-model="item.url" autocomplete="off" />
        </el-form-item>

        <el-form-item label="启用状态：" prop="enable">
          <el-switch v-model="item.enabled" />
        </el-form-item>
      </el-form>

      <template #footer>
        <span class="dialog-footer">
          <el-button @click="showDialog = false">取消</el-button>
          <el-button type="primary" @click="save">提交</el-button>
        </span>
      </template>
    </el-dialog>
  </div>
</template>

<script setup>
import { onMounted, reactive, ref } from "vue";
import { httpGet, httpPost } from "@/utils/http";
import { ElMessage } from "element-plus";
import { dateFormat, removeArrayItem } from "@/utils/libs";
import { InfoFilled, Plus, UploadFilled } from "@element-plus/icons-vue";
import { Sortable } from "sortablejs";
import Compressor from "compressorjs";

// 变量定义
const items = ref([]);
const item = ref({});
const showDialog = ref(false);
const title = ref("");
const rules = reactive({
  name: [{ required: true, message: "请输入菜单名称", trigger: "change" }],
  icon: [{ required: true, message: "请上传菜单图标", trigger: "change" }],
  url: [{ required: true, message: "请输入菜单地址", trigger: "change" }],
});
const loading = ref(true);
const formRef = ref(null);

const fetchData = () => {
  // 获取数据
  httpGet("/api/admin/menu/list")
    .then((res) => {
      if (res.data) {
        // 初始化数据
        const arr = res.data;
        for (let i = 0; i < arr.length; i++) {
          arr[i].last_used_at = dateFormat(arr[i].last_used_at);
        }
        items.value = arr;
      }
      loading.value = false;
    })
    .catch(() => {
      ElMessage.error("获取数据失败");
    });
};

onMounted(() => {
  const drawBodyWrapper = document.querySelector(".el-table__body tbody");
  fetchData();

  // 初始化拖动排序插件
  Sortable.create(drawBodyWrapper, {
    sort: true,
    animation: 500,
    onEnd({ newIndex, oldIndex, from }) {
      if (oldIndex === newIndex) {
        return;
      }

      const sortedData = Array.from(from.children).map((row) => row.querySelector(".sort").getAttribute("data-id"));
      const ids = [];
      const sorts = [];
      sortedData.forEach((id, index) => {
        ids.push(parseInt(id));
        sorts.push(index + 1);
        items.value[index].sort_num = index + 1;
      });

      httpPost("/api/admin/menu/sort", { ids: ids, sorts: sorts }).catch((e) => {
        ElMessage.error("排序失败：" + e.message);
      });
    },
  });
});

const add = function () {
  title.value = "新增菜单";
  showDialog.value = true;
  item.value = {};
};

const edit = function (row) {
  title.value = "修改菜单";
  showDialog.value = true;
  item.value = row;
};

const save = function () {
  formRef.value.validate((valid) => {
    if (valid) {
      showDialog.value = false;
      if (!item.value.id) {
        item.value.sort_num = items.value.length + 1;
      }
      httpPost("/api/admin/menu/save", item.value)
        .then(() => {
          ElMessage.success("操作成功！");
          fetchData();
        })
        .catch((e) => {
          ElMessage.error("操作失败，" + e.message);
        });
    } else {
      return false;
    }
  });
};

const enable = (row) => {
  httpPost("/api/admin/menu/enable", { id: row.id, enabled: row.enabled })
    .then(() => {
      ElMessage.success("操作成功！");
    })
    .catch((e) => {
      ElMessage.error("操作失败：" + e.message);
    });
};

const remove = function (row) {
  httpGet("/api/admin/menu/remove?id=" + row.id)
    .then(() => {
      ElMessage.success("删除成功！");
      items.value = removeArrayItem(items.value, row, (v1, v2) => {
        return v1.id === v2.id;
      });
    })
    .catch((e) => {
      ElMessage.error("删除失败：" + e.message);
    });
};

// 图片上传
const uploadImg = (file) => {
  // 压缩图片并上传
  new Compressor(file.file, {
    quality: 0.6,
    success(result) {
      const formData = new FormData();
      formData.append("file", result, result.name);
      // 执行上传操作
      httpPost("/api/admin/upload", formData)
        .then((res) => {
          item.value.icon = res.data.url;
          ElMessage.success("上传成功");
        })
        .catch((e) => {
          ElMessage.error("上传失败:" + e.message);
        });
    },
    error(e) {
      ElMessage.error("上传失败:" + e.message);
    },
  });
};
</script>

<style lang="stylus">
@import "@/assets/css/admin/form.styl"
@import "@/assets/css/main.styl"
.menu {

  .handle-box {
    margin-bottom 20px
  }
  .menu-icon {
    width 36px
    height 36px
  }

  .sort {
    cursor move
    .iconfont {
      position relative
      top 1px
    }
  }

  .el-select {
    width: 100%
  }

  .el-table .cell {
    height: 100% !important;
    line-height: 1 !important;
  }
}
</style>
